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Cause-specific mortality in the unionized U.S. trucking industry
Francine Laden1, Jaime E Hart, Thomas J Smith
1Channing Laboratory, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA. Francine.Laden@channing.harvard.edu
Environmental Health Perspectives
|August 10, 2007
Summary
Truck drivers and dockworkers face higher risks of lung cancer and ischemic heart disease. This study highlights occupational exposures in the U.S. trucking industry, emphasizing the need for targeted health interventions.
Area of Science:
- Occupational health
- Environmental epidemiology
- Cardiovascular disease research
Background:
- Fine particulate air pollution, particularly from vehicle exhausts, is linked to cardiovascular diseases and lung cancer.
- Previous studies suggest occupational exposures may increase disease risk.
Purpose of the Study:
- To assess cause-specific mortality in the U.S. trucking industry.
- To compare mortality rates with the general U.S. population.
- To identify mortality patterns associated with job-specific exposures.
Main Methods:
- Retrospective cohort study of 54,319 male employees from four national trucking companies (employed in 1985).
- Mortality assessed through 2000 using the National Death Index.
- Standardized mortality ratios (SMRs) calculated by job title, stratified by race, age, and calendar period.
Main Results:
- Overall and all-cancer mortality showed a deficit (healthy worker effect).
- Elevated rates of lung cancer and ischemic heart disease observed in drivers and dockworkers.
- Increased risk for ischemic heart disease also noted among shop workers.
Conclusions:
- The U.S. trucking industry cohort experienced excess mortality from lung cancer and ischemic heart disease.
- Drivers showed particularly high rates of these conditions.
- Job-specific exposures in the trucking industry are associated with significant health risks.
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